Section 4(2)(iii) in Andhra Pradesh Panchayat Raj (Reservation of Seats and Offices of Gram Panchayats, Mandal Parishads and Zilla Parishads) Rules, 2006
(iii)Mandal Backward Class percentage is the figure as projected by the Directorate of Economics and Statistics as on 1-3-2001, from the data of Socio-Economic Survey referred to above.